The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 19 (#Ḥadīth #19)

19 - وَبِهذَا الإِسنادِ قالَ: قالَ رَسُولُ اللَّهِ صَلَّى اللهُعَلَيْهِ وَآلِهِ: اِختِنوا أَوْلادَكُم يَوْمَ السَّابِعِ؛ فَإِنَّهُ اَطهَرُ أَسرَعُ لِنَباتِ اللَّحْمِ.

31-19 According to the same documentation, God’s Prophet (S) said, “Circumcise your (male) children on the seventh day after birth as this would make them cleaner and speed up their growth.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).